[ARC5] BC-946 capacitor plates shorting?

Rich Post kb8tad at gmail.com
Tue Nov 9 18:07:51 EST 2021


Hi Waldo,

I assume you have eliminated the obvious and applied contact cleaner to the
rotor grounding contacts, a typical problem. And as others have said, the
VOM will tell the tale if there is a short.

73, Rich KB8TAD

On Tue, Nov 9, 2021 at 5:18 PM Waldo Magnuson via ARC5 <arc5 at mailman.qth.net>
wrote:

> Hi,
>    I trying to get my BC-946 operational, capacitors replaced, etc.  I
> suspect the tuning capacitor plates are shorting because at the top end of
> the band I receive a station (Sacramento, CA from Spokane, WA) and at the
> bottom of the band a local station.  When I tune up, or down, it mostly
> goes quiet except for scratchies (is that a technical term?) noise.  On
> close inspection one of the rotor plates may be touching a stator plate,
> hard to see and tell.
>    Any fix suggestions would be appreciated.  Removing the gang capacitor
> looks messy.
> Skip Magnuson W7WGM
> Spokane, WA
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